期刊
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
卷 212, 期 3, 页码 542-552出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jmatprotec.2011.05.020
关键词
Finite element; Micro-milling; Tool edge radius; Cutting force
资金
- Canadian NCE [AUTO-21 C303-CDM]
- Canada Foundation for Innovation (CFI)
This paper presents the prediction of micro-milling forces using cutting force coefficients evaluated from the finite element (FE) simulations. First an FE model of orthogonal micro-cutting with a round cutting edge is developed for Brass 260. The simulated cutting forces are compared against the experimental results obtained from turning tests. The cutting force coefficients are identified from a series of FE simulations at a range of cutting edge radii and chip loads. The identified cutting force coefficients are used to simulate micro-milling forces considering the tool trajectory, run-out and the dynamometer dynamics. The same process is also simulated with a slip-line field based model. FE and slip-line field based simulation results are compared against the experimentally measured turning and micro-milling forces. (C) 2011 Elsevier B.V. All rights reserved.
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